Array
(
    [0] => Array
        (
            [id] => 1687
            [topology] => 4<sup>2</sup>T22-CA
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2542]
            [space_group] => P6122
            [pearson] => hP18
            [cn] => 4
            [Year] => 2021
            [cn_sort] => 004-
            [topology_str] => 4^2T22-CA
            [sp_atoms] => 
            [caid] => 532
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.469
            [e_gap] => 
            [energy] => 0.566
            [bulk_mod] => 395.6
            [shear_mod] => 445.1
            [vicker_hard] => 83.5
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1688
            [topology] => 4<sup>2</sup>T22-CA
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2542]
            [space_group] => P6122
            [pearson] => hP18
            [cn] => 4
            [Year] => 2021
            [cn_sort] => 004-
            [topology_str] => 4^2T22-CA
            [sp_atoms] => 
            [caid] => 532
            [nn] => 1
            [name] => 4<sup>2</sup>T22-CA
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2021_npjComputMater_7_15
            [publ_year] => 2021
            [ref] => doi:&nbsp;<a href="http://doi.org/10.1038/s41524-021-00491-y" target="_blank">10.1038/s41524-021-00491-y</a>
        )

)